VLC media player is an open source video and audio player capable of playing almost any type of media including DVDs and VCDs. In addition to being able to play most video and audio files, VLC can also post free ads without registration
File extensions that can be opened by vlc-media-player

hr4.ASX	Advanced Stream Redirector
hr4.DTS	Digital Theater Systems Audio File
hr4.GXF	General eXchange Format
hr4.M2V	MPEG-2 Video
hr4.M3U	MP3 Uniform Resource Locator
hr4.M4V	MPEG-4 Video File
hr4.MPEG1	MPEG-1 Video
hr4.MPEG2	MPEG-2 Video
hr4.MTS	AVCHD Video File
hr4.MXF	Material eXchange Format
hr4.OGM	Ogg Multimedia Container File
hr4.PLS	Playlist
hr4.BUP	DVD Information File
hr4.A52	Dolby Digital AC-3 Compressed Audio File
hr4.AAC	Advanced Audio Coding Compressed Audio File
hr4.B4S	Winamp 3+ Playlist
hr4.CUE	Cue Sheet
hr4.DIVX	DivX Movie
hr4.DV	Digital Video
hr4.FLV	Flash Video
hr4.M1V	MPEG-1 Video
hr4.M2TS	MPEG-2 Transport Stream Videos
hr4.MKV	Matroska Video Stream
hr4.MOV	Apple QuickTime Movie
hr4.MPEG4	MPEG-4 Video
hr4.OMA	OpenMG Audio File
hr4.SPX	Ogg Speex Audio File
hr4.TS	DVD Video
hr4.VLC	VLC Media Player Data
hr4.VOB	DVD Video Object
hr4.XSPF	XML Shareable Playlist Format
hr4.DAT	VCD Video
hr4.BIN	Binary DVD Video
hr4.IFO	DVD Information File
hr4.PART	Partially Downloaded File
hr4.3G2	3G Mobile Phone Video
hr4.AVI	Audio Video Interleave
hr4.MPEG	MPEG Video
hr4.MPG	MPEG Video
hr4.FLAC	Free Lossless Audio Codec Compressed Audio FIle
hr4.M4A	MPEG-4 Audio File
hr4.MP1	MPEG-1 Audio Layer I
hr4.OGG	Ogg Multimedia Container File
hr4.WAV	Waveform Audio
hr4.XM	Extended Module Audio File
hr4.3GP	3G Mobile Phone Video
hr4.SRT	DVD Subtitles File
hr4.WMV	Windows Media Video
hr4.AC3	Dolby Digital AC-3 Compressed Audio File
hr4.ASF	Advanced Systems Format Video
hr4.MOD	MOD Audio File
hr4.MP2	MPEG-1 Audio Layer II
hr4.MP3	MPEG-1 Audio Layer 3
hr4.MP4	MPEG-4 Part 14 Multimedia Container
hr4.WMA	Windows Media Audio File
hr4.MKA	Matroska Audio Stream
hr4.M4P	Protected AAC File

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